Oh - yes and no, I'm not from this particular region but this world itself is the one I've always belonged to. Is it yours as well...? My friends have told me about the ones that have been brought here from elsewhere.

[Or maybe you're from somewhere near Unova? You sound like you might be, but that isn't anything he's going to voice; Unova isn't something he's inclined to bring up right away, not after his father generally...did the thing all over the region, not when he's unsure of whether this person deserves an explanation or an apology.]